(19)

(11)

EP 2 457 143 A1

(12)

(43) Date of publication: 30.05.2012 Bulletin 2012/22 (21) Application number: 09847666.6 (22) Date of filing: 20.11.2009

(51) International Patent Classification (IPC):  G06F 3/03(2006.01) G06F 3/048(2006.01) G06F 3/042(2006.01) (86) International application number: PCT/US2009/065395 (87) International publication number: WO 2011/011029 (27.01.2011 Gazette 2011/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 23.07.2009 WO PCT/US2009/005159 (71) Applicant: Hewlett-Packard Development Company, L.P. Houston, TX 77070 (US)	(72) Inventors: MCCARTHY, John Cupertino California 95014 (US) BRIDEN, John Cupertino California 95014 (US) SUGGS, Bradley Cupertino California 95014 (US) (74) Representative: Hutchinson, Glenn Stanley  Harrison Goddard Foote Fountain Precinct Balm Green Sheffield S1 2JA Sheffield S1 2JA (GB)